Word of the Day – KnackeredAshley Adams and David Weischadle, Esq.Ashley Adams and David Weischadle, Esq.Published: March 16, 2015Southern Stock\Getty ImagesShare on FacebookShare on TwitterToday's word of the day is:KnackeredDictionary.com defines knackered as:adjective, British Slang.exhausted; very tired:He is really knackered after work.